Note 12 - Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2024

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	As of December 31, 2024
Description	Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash equivalents	$	207,170	$	200,395	$	6,775	$	—
Available-for-sale securities		113,384		14,999		98,385		—
Investment in equity securities		2,100		—		—		2,100
Foreign exchange contracts		35		—		35		—
Net investment hedge		3,497		—		3,497		—
Total assets	$	326,186	$	215,394	$	108,692	$	2,100
Liabilities:
Foreign exchange contracts		122		—		122		—
Total liabilities	$	122	$	—	$	122	$	—

	As of September 30, 2024
Description	Total Fair Value		Level 1		Level 2		Level 3
Assets:
Cash equivalents	$	157,990	$	157,990	$	—	$	—
Available-for-sale securities		198,616		37,584		161,032		—
Convertible debt securities		2,000		—		—		2,000
Foreign exchange contracts		9		—		9		—
Total assets	$	358,615	$	195,574	$	161,041	$	2,000
Liabilities:
Net investment hedge		1,915		—		1,915		—
Foreign exchange contracts		213	$	—	$	213	$	—
Total liabilities	$	2,128	$	—	$	2,128	$	—